Metronidazole is Nitroimidazole derivative.It has strong antimicrobial activity against anaerobe, trichomonas, amoeba and giardia lamblia.Used for:

1.mixed infection of various aerobic bacteria and anaerobic bacteria, including abdominal and pelvic infection, lung abscess, brain abscess, etc., but usually used together with anti-aerobic bacteria antibacterial drugs.

2.oral administration can be used for clostridium difficile induced pseudomembranous enteritis, hp-related gastritis, periodontal infection and Gardner's vaginitis, etc., as the preferred drug for the treatment of vaginal trichomoniasis.

3. treatment of intestinal and parenteral amoeba disease, vaginal trichomoniasis, guinea worm disease, giardia disease, and colonic pouch ciliosis.4) combined with other antibacterial drugs, it can be used for the prevention of pelvic, intestinal and abdominal surgery.